How to distinguish guppy rubbing tank

　　

How to distinguish guppy rubbing tank

I would like to ask you seniors: What is the difference between the bad guppy water tank and the parasite rubbing tank?
========How did the fish friends of the Xianglong Aquatic Alliance comment==
Auspicious rabbit Yuyu said: pay attention to red skin disease and white hair disease
Mood Yu Yue (accidental xy) Yuyou said: What food do you feed?
Xiongda 123 Yuyou said: The location of rubbing is different
Flying anchovies can be mixed with ingots%
What does the anchovy usually eat?
Flying anchovies for several years)
tropical fish similar to flying anchovies%
How much is a flying anchovy*
Can flying anchovies be bought on Taobao/
How do flying anchovies breed&
What is the cheapest anchovy.
What to do if the anchovy sucks the parrot fish$
Golden pineapple fish and what fish are polyculture#

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